$140.02 USD
ER70S-3 TIG rod for root passes, tough at -50 °C
Böhler EML 5 (AWS ER70S-3) by voestalpine Böhler Welding is a TIG rod for carbon steels, ideal for thin-walled plate and pipe and for root passes. Its low silicon content suits joints that will be enamelled or galvanised, and it is suitable for sour gas service. This item is 3.20 mm in diameter.
Key advantages
- Tough: 90 J at -50 °C.
- Low silicon: suits enamelling and galvanising.
- Sour gas: HIC tested per NACE TM-02-84.
- Certified quality: TÜV, DB, Statoil and CE.
Applications
- Root passes in thin-walled pipe and plate.
- S235 to S355, ASTM A36, A516 Gr. 55 and A572 Gr. 50 steels.
- API 5L B and X42 to X60 pipelines, also in sour gas service.
Technical specifications
| Classification | AWS A5.18: ER70S-3 · EN ISO 636-A: W 46 5 W2Si |
| Diameter | 3.20 mm |
| Packaging | 10 kg box (1000 mm rods) |
| Approvals | TÜV · DB · Statoil · CE |
| Process | TIG (GTAW) · DC (-) |
| Shielding gas | 100% argon (I1) |
| Tensile strength | 620 MPa (yield 520 MPa) |
| Elongation | 26% |
| Charpy V impact | 90 J at -50 °C (220 J at +20 °C) |
📄 Download technical data sheet (PDF)
Technician's tip: clean the joint thoroughly (rust, oil and dirt) and always keep the hot end of the rod inside the gas shield, so it does not oxidise and contaminate the bead.
Why buy from Soldaduras?
With over 50 years of experience, we are specialized distributors of welding, abrasive and polishing supplies. Every purchase comes with real technical support.
✔ Nationwide shipping
✔ Local delivery in the AMBA area
✔ Pickup at 338 Gral. Enrique Mosconi Ave., Lomas del Mirador
✔ Open Monday to Friday, 8 AM to 4 PM
Not sure about the right diameter or parameters for your job? Ask us before you buy.
